Nishu, according to the eligibility criteria released by the Director General of Health Sciences, a Candidate should score a minimum aggregate of 50% in 10+2. It is not for Physics, Chemistry and Biology. It is the total aggregate on your 12th that is calculated. And this 50% is across all Categories. So, to be eligible for Indian Army B.Sc Nursing, you should be a single/unmarried/divorced female candidate born between October 1st, 1995 and September 30th, 2003 and score a minimum aggregate of 50% in your 12th. For all information regarding this exam, please visit our page at: https://medicine.careers360.com/exams/indian-army-bsc-nursing